import smtplib
from email.mime.text import MIMEText
from email.header import Header

message = MIMEText('Python 邮件发送测试...', 'plain', 'utf-8')
message['From'] = Header("菜鸟教程", 'utf-8')  # 发送者
message['To'] = Header("测试", 'utf-8')  # 接收者
subject = 'Python SMTP 邮件测试'
message['Subject'] = Header(subject, 'utf-8')
try:
    smtpObj = smtplib.SMTP('192.168.0.42')
    smtpObj.sendmail(sender, receivers, message.as_string())
    print ("邮件发送成功")
except smtplib.SMTPException:
    print ("Error: 无法发送邮件")